memcached: 1.6.16 -> 1.6.17

pkgs/servers/memcached/default.nix

···
 {lib, stdenv, fetchurl, cyrus_sasl, libevent, nixosTests }:
 
 stdenv.mkDerivation rec {
-  version = "1.6.16";
+  version = "1.6.17";
   pname = "memcached";
 
   src = fetchurl {
     url = "https://memcached.org/files/${pname}-${version}.tar.gz";
-    sha256 = "sha256-MFGpO/HdDDry0OWJ/272UR+HY4WjWxjp/4dB5KGrNNo=";
+    sha256 = "sha256-IFXjc2E9j8IVKa/58K3OPiO5zgG6BHjTDnlB2fK9EiQ=";
   };
 
   configureFlags = [